CN214200632U

CN214200632U - Noise testing device for speed reducer

Info

Publication number: CN214200632U
Application number: CN202023233648.3U
Authority: CN
Inventors: 樊俐
Original assignee: Wuxi Dongjian Reducer Co ltd
Current assignee: Wuxi Dongjian Reducer Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a speed reducer noise testing arrangement, the power distribution box comprises a box body, the bottom half inner wall is opened there is the spout, and spout inner wall sliding connection has the slider, threaded hole is opened to the slider, and threaded hole inner wall spiro union has the threaded rod, one side bottom of box is fixed with first servo motor, and first servo motor's output shaft passes through the shaft coupling to be fixed in threaded rod one end, the slider top is fixed with the backup pad, and the backup pad top is opened there is the mounting groove. The utility model discloses an use slider, threaded rod, first servo motor, backup pad, bumper shock absorber and rubber slab, can dock the test in test motor propelling movement to power transmission mechanism, utilize second servo motor, two-way screw rod, platform and ball to carry out the centre gripping to test motor simultaneously to carry out the accurate positioning, make test motor can be accurate dock with power transmission mechanism, produce the vibrations damage when usable bumper shock absorber and rubber slab avoid test motor to test simultaneously.

Description

Noise testing device for speed reducer

Technical Field

The utility model relates to a speed reducer noise testing arrangement technical field especially relates to a speed reducer noise testing arrangement.

Background

The speed reducer is an intermediate link of a power device driving an actuating mechanism, changes high-speed low torque into low-speed high torque, is matched with an engine for use, and can generate certain noise when running, and the noise exceeds a certain range, so that the problem of fault of the speed reducer is solved, and the noise detection is needed after the speed reducer is assembled. In the existing test, a testing machine needs to be fixed by bolts and is butted with a testing device, so that the test preparation time is long, the testing speed is low, the efficiency is low, manpower and labor force are wasted, and the test result is inaccurate.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the speed reducer noise testing arrangement who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a noise testing device for a speed reducer comprises a box body, wherein a sliding groove is formed in the inner wall of the bottom of the box body, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, a threaded hole is formed in the sliding block, a threaded rod is connected to the inner wall of the threaded hole in a threaded mode, a first servo motor is fixed to the bottom of one side of the box body, an output shaft of the first servo motor is fixed to one end of the threaded rod through a coupler, a supporting plate is fixed to the top of the sliding block, a mounting groove is formed in the top of the supporting plate, symmetrically distributed fixing plates are connected to the inner wall of the mounting groove in a sliding mode, a plurality of uniformly distributed shock absorbers are fixed to one side of each fixing plate, a rubber plate is fixed to one end of each shock absorber, a threaded hole is formed in the bottom end of each fixing plate, a bidirectional screw rod is connected to the inner wall of each threaded hole in a threaded mode, a second servo motor is fixed to one side of each fixing plate, and the output shaft of the second servo motor is fixed to one end of the bidirectional screw rod through a coupler, the fixed plate top is located the mounting groove both sides and is equipped with the platform, and the platform top opens the fixed slot that has a plurality of evenly distributed, fixed slot inner wall roll connection has the ball, and has placed the test motor at the ball top, the output shaft of test motor is fixed with the gear through the shaft coupling, and gear engagement has power transmission mechanism, the box inner wall is fixed with a plurality of evenly distributed's arc acoustic celotex board, the fixed plate top is fixed with the noise tester, and the noise tester is connected with the controller through the wire, the controller is connected with display and alarm respectively through the connecting wire.

Preferably, the two ends of the threaded rod are rotatably connected to the inner wall of the sliding groove through bearings, and the two ends of the bidirectional threaded rod are rotatably connected to the inner wall of the mounting groove through bearings.

Preferably, the top of the shock absorber is fixed at the bottom of the platform, and the bottom of the shock absorber is fixed at the top of the fixing plate.

Preferably, a spring is fixed on the inner wall of the bottom of the fixing groove, and the top end of the spring is in rolling fit with the ball.

Preferably, one side of the box body is provided with a mounting opening, and the inner wall of one side of the mounting opening is hinged with a box door through a hinge.

Preferably, the controller, the display and the alarm are fixed on the outer wall of one side of the box door, and the power transmission mechanism is fixed on the inner wall of the other side of the box body.

The utility model has the advantages that:

1. by using the sliding block, the threaded rod, the first servo motor, the supporting plate, the shock absorber and the rubber plate, the testing motor can be pushed into the power transmission mechanism for butt joint testing, meanwhile, the second servo motor, the bidirectional screw rod, the platform and the balls are used for clamping the testing motor and carrying out accurate positioning, so that the testing motor can be accurately butted with the power transmission mechanism, meanwhile, the shock absorber and the rubber plate can be used for absorbing shock generated in the running process of the testing motor, and damage generated in the testing process of the testing motor is avoided;

2. through using the arc-shaped sound insulation board, sound can be totally reflected on all boundaries and fully diffused therein, so that the energy density at each position is uniformly distributed, the accuracy of the noise tester is improved, the noise value of the test motor can be conveniently and quickly detected by using the noise tester, the controller, the display and the alarm, and the alarm can give an alarm when the noise value exceeds a set value.

Drawings

Fig. 1 is a schematic front sectional view of a noise testing device for a speed reducer according to the present invention;

fig. 2 is a schematic side sectional structure view of a noise testing device for a speed reducer according to the present invention;

fig. 3 is the utility model provides a front structure schematic diagram of speed reducer noise testing arrangement.

In the figure: the device comprises a box body 1, a sliding block 2, a threaded rod 3, a first servo motor 4, a supporting plate 5, a second servo motor 6, a bidirectional threaded rod 7, a fixing plate 8, a shock absorber 9, a rubber plate 10, a platform 11, a ball 12, an arc-shaped sound insulation plate 13, a noise tester 14, a controller 15, a display 16, an alarm 17, a testing motor 18, a gear 19, a power transmission mechanism 20 and a box door 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a noise testing device for a speed reducer comprises a box body 1, wherein a sliding groove is formed in the inner wall of the bottom of the box body 1, a sliding block 2 is connected to the inner wall of the sliding groove in a sliding manner, a threaded hole is formed in the sliding block 2, a threaded rod 3 is screwed in the inner wall of the threaded hole, a first servo motor 4 is fixed to the bottom of one side of the box body 1, an output shaft of the first servo motor 4 is fixed to one end of the threaded rod 3 through a coupler, a supporting plate 5 is fixed to the top of the sliding block 2, a mounting groove is formed in the top of the supporting plate 5, a symmetrically distributed fixing plate 8 is connected to the inner wall of the mounting groove in a sliding manner, a plurality of uniformly distributed shock absorbers 9 are fixed to one side of the fixing plate 8, a rubber plate 10 is fixed to one end of the fixing plate 8, a bidirectional screw 7 is screwed in the inner wall of the screw, a second servo motor 6 is fixed to one side of the fixing plate 8, and an output shaft of the second servo motor 6 is fixed to one end of the bidirectional screw 7 through a coupler, the top of the fixing plate 8 is provided with platforms 11 positioned on two sides of the mounting groove, a plurality of fixing grooves which are uniformly distributed are formed in the top of each platform 11, balls 12 are connected to the inner walls of the fixing grooves in a rolling mode, a testing motor 18 is placed on the top of each ball 12, the testing motor 18 can be pushed into the power transmission mechanism 20 to be subjected to butt joint testing by using the sliding block 2, the threaded rod 3, the first servo motor 4, the supporting plate 5, the shock absorber 9 and the rubber plate 10, meanwhile, the testing motor 18 can be clamped by the second servo motor 6, the bidirectional screw 7, the platforms 11 and the balls 12 and is accurately positioned, the testing motor 18 can be accurately butted with the power transmission mechanism 20, meanwhile, the shock generated in the running process of the testing motor 18 can be absorbed by the shock absorber 9 and the rubber plate 10, and damage generated in the testing process of the testing motor 18 is avoided;

the output shaft of the test motor 18 is fixed with a gear 19 through a coupler, the gear 19 is meshed with a power transmission mechanism 20, the inner wall of the box body 1 is fixed with a plurality of arc-shaped sound insulation plates 13 which are uniformly distributed, the top of the fixing plate 8 is fixed with a noise tester 14, the noise tester 14 is connected with a controller 15 through a lead, the controller 15 is respectively connected with a display 16 and an alarm 17 through connecting wires, sound can be totally reflected on all boundaries and fully diffused in the boundaries through the arc-shaped sound insulation plates 13, energy density at each position is uniformly distributed, accuracy of the noise tester 14 is improved, noise of the test motor can be conveniently detected through the noise tester 14, the controller 15, the display 16 and the alarm 17, and alarm prompt can be given when the noise exceeds a set value;

3 both ends of threaded rod are rotated through the bearing and are connected at the spout inner wall, 7 both ends of two-way screw rod are rotated through the bearing and are connected at the mounting groove inner wall, 9 tops of bumper shock absorbers are fixed in 11 bottoms of platform, and 9 bottom mounting of bumper shock absorbers are at 8 tops of fixed plate, the inner wall of fixed slot bottom is fixed with the spring, and the spring top forms the roll fit with

ball

12, 1 side of box is opened there is the installing port, and the inner wall has chamber door 21 through hinge joint in installing port one side, controller 15, display 16 and alarm 17 are all fixed at chamber door 21 outer wall on one side, power transmission mechanism 20 is fixed at 1 another side inner wall of box.

The working principle is as follows: by using the sliding block 2, the threaded rod 3, the first servo motor 4, the supporting plate 5, the shock absorber 9 and the rubber plate 10, the testing motor 18 can be pushed into the power transmission mechanism 20 for butt joint testing, meanwhile, the second servo motor 6, the bidirectional screw 7, the platform 11 and the balls 12 are used for clamping the testing motor 18, and accurate positioning is carried out, so that the testing motor 18 can be accurately butted with the power transmission mechanism 20, meanwhile, the shock absorber 9 and the rubber plate 10 can be used for absorbing shock generated in the running process of the testing motor 18, and damage generated in the testing process of the testing motor 18 is avoided; by using the arc-shaped sound insulation board 13, sound can be totally reflected on all boundaries and fully diffused therein, so that energy density at each position is uniformly distributed, the accuracy of the noise tester 14 is improved, the noise of the tested motor can be conveniently detected by using the noise tester 14, the controller 15, the display 16 and the alarm 17, and alarm prompt can be given when the noise exceeds a set value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The noise testing device for the speed reducer comprises a box body (1) and is characterized in that a sliding groove is formed in the inner wall of the bottom of the box body (1), a sliding block (2) is connected to the inner wall of the sliding groove in a sliding mode, a threaded hole is formed in the sliding block (2), a threaded rod (3) is connected to the inner wall of the threaded hole in a threaded mode, a first servo motor (4) is fixed to the bottom of one side of the box body (1), an output shaft of the first servo motor (4) is fixed to one end of the threaded rod (3) through a coupler, a supporting plate (5) is fixed to the top of the sliding block (2), a mounting groove is formed in the top of the supporting plate (5), a fixing plate (8) is connected to the inner wall of the mounting groove in a sliding mode, a plurality of uniformly distributed shock absorbers (9) are fixed to one side of the fixing plate (8), a rubber plate (10) is fixed to one end of each shock absorber (9), and a screw hole is formed in the bottom end of the fixing plate (8), and the inner wall of the screw hole is screwed with a bidirectional screw rod (7), one side of the fixed plate (8) is fixed with a second servo motor (6), the output shaft of the second servo motor (6) is fixed at one end of the bidirectional screw rod (7) through a coupler, the top of the fixed plate (8) is positioned at two sides of the mounting groove and is provided with a platform (11), the top of the platform (11) is provided with a plurality of fixed grooves which are uniformly distributed, the inner wall of each fixed groove is connected with a ball (12) in a rolling way, a testing motor (18) is placed at the top of the ball (12), the output shaft of the testing motor (18) is fixed with a gear (19) through the coupler, the gear (19) is meshed with a power transmission mechanism (20), the inner wall of the box body (1) is fixed with a plurality of arc-shaped sound insulation plates (13) which are uniformly distributed, the top of the fixed plate (8) is fixed with a noise tester (14), and the noise tester (14) is connected with a controller (15) through a wire, the controller (15) is respectively connected with a display (16) and an alarm (17) through connecting wires.

2. The noise testing device of the speed reducer according to claim 1, wherein two ends of the threaded rod (3) are rotatably connected to the inner wall of the chute through bearings, and two ends of the bidirectional threaded rod (7) are rotatably connected to the inner wall of the mounting groove through bearings.

3. The noise testing device of the speed reducer is characterized in that the top of the shock absorber (9) is fixed at the bottom of the platform (11), and the bottom end of the shock absorber (9) is fixed at the top of the fixing plate (8).

4. The noise testing device of the speed reducer according to claim 1, wherein a spring is fixed on the inner wall of the bottom of the fixing groove, and the top end of the spring is in rolling fit with the ball (12).

5. The noise testing device of the speed reducer according to claim 1, wherein one side of the box body (1) is provided with a mounting opening, and the inner wall of one side of the mounting opening is hinged with a box door (21) through a hinge.

6. The noise testing device of the speed reducer according to claim 5, wherein the controller (15), the display (16) and the alarm (17) are fixed on the outer wall of one side of the box door (21), and the power transmission mechanism (20) is fixed on the inner wall of the other side of the box body (1).